| Acronym | Meaning |
| PNP | Partido Nuevo Progresista - Plug 'N' Play/Pray - Positive Negative Positive |
| NUTS | Nuclear Utilization Target Selection |
| RUB | Russian Ruble (ISO 4217 Currency Code) |
| JIB | Joint Information Bureau |
| NRAO | National Radio Astronomy Observatory |
| DFM | Dynamic Flowgraph Methodology |
| ABRSM | Associated Board Of The Royal Schools Of Music |
| BOD | Tibetan Language (ISO 639-2 Code) |
| FTP | File Transfer Protocol |
| DODD | U.S. Department Of Defense Directive |